illuminate
verb [ T ] formal uk/ɪˈluː.mɪ.neɪt/ us/ɪˈluː.mə.neɪt/
为…照明，照亮
to light something and make it brighter
The streets were illuminated with strings of coloured lights. 街道被一串串彩灯照亮了。
阐明，解释
to explain and show more clearly something that is difficult to understand
an article which illuminates the issues at stake 对一些紧要的问题进行阐述的文章